Colt's Manufacturing Carbine MK4, Semi-automatic, AR, 223 Remington/556NATO, 16.1" Barrel, Threaded 1/2X28, 1:7 Twist, A2 Flash Hider, Anodized Finish, Black, Magpul MBUS PRO Sight, 13" Geissele MK4 Free Float Handguard, Magpul CTR 4 Position Stock, A2 Grip, 30 Rounds, 1 Magazine LE6920-FBP2

Colt Defense LE6920-FBP: The Colt LE6920-FBP2 builds on the venerable Colt LE6920 adding key accessories for this special makeup including a Geissele 13-inch MK4 rail system and Magpul Pro flip-up front and rear sights.
Model Name: Carbine
Caliber: 5.56 x 45MM
Capacity: 30+1
Upper Rec. Material: 7075-T6 Aluminum
Upper Rec. Finish: Black Hardcoat Anodized
Barrel Material: 4150 CMV
Barrel Technical: 1:7RH 6 Groove Chrome Lined
Barrel Length: 16.1
 Overall Length: 32.5-36 (82.5-91.5cm)
Unloaded Weight: 7.3 lbs. (3.3kg)
Safeties: Reversible Safety Selector
Lower Rec. Material: 7075-T6 Aluminum
Lower Rec. Finish: Black Hardcoat Anodized
Front Sight: Magpul Mbus PRO Steel Backup
Rear Sight: Magpul Mbus Pro LR Adjustable
Fire Mode: Semi-Auto
Trigger Type: Single Stage
Rail: Geissele 13 MK4 Free-Float Rail
Grip: Government A2 Grip
Stock: Magpul CTR 4-Position Stock
Operating System: Direct Gas Impingement
Included Accessories: 30rd Magpul Pmaag Magazine